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Finding the Fourth Proportional to 50,484, 75,747.48 and 20,923.32

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Solution

The fourth proportional to 50,484, 75,747.48 and 20,923.32 is: 31,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,484 : 75,747.48 = 20,923.32 : x
  2. Step 2: Convert to fraction form
    50,484/75,747.48 = 20,923.32/x
  3. Step 3: Cross multiply
    50,484x = 75,747.48 × 20,923.32
  4. Step 4: Simplify right side
    50,484x = 1,584,888,763.23
  5. Step 5: Solve for x
    x = 1,584,888,763.23/50,484
  6. Step 6: Final answer
    x = 31,393.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.